the united states and israel have pledged to do what they must to prevent tehran from developing nuclear weapons. >> translator: continued threats by the uncivilized zionist to resort to military action against our great nation is a clear example of this reality. >> reporter: u.s. and israeli leaders chose not to attend president mahmoud ahmadinejad's speech here in the u.n. in part because it occurred on yom kippur. one of the holliest days on the jewish calendar. demonstrators protested mahmoud ahmadinejad's appearance. >> mahmoud ahmadinejad, again does not represent us all. >> reporter: iranian-americans from across the country joined the protest. >> to send a message that the people of iran stand for democracy, human rights, secular nonnuclear iran. >> reporter: during his speech mahmoud ahmadinejad didn't address his country's nuclear program but did say his nation was committed to peace. here's a look at the weather in some cities around the country. partly sunny in new york. 72 degrees. miami a few thunderstorms, 88. mostly sunny in chicago, 66. partly sunny in dallas, 94. 83 in